Because the best thing since sliced bread, is fried chicken

Last year, the US citizens of Rhode Island and Nebraska were subjected to a sinister culinary experiment, where all their bread was replaced by delicious fried chicken coated in a secret blend of eleven herbs and spices. The experiment was deemed a success, and now the whole of the United States is about to be subjected to the KFC Double Down.

The what? It's a sandwich with a bacon, cheese and 'Colonel Sauce' filling - but instead of arriving inbetween two halves of a bread bun, it's sandwiched between two pieces of fried chicken:

There are very few official photographs available of the white meat vampire - despite it going on sale nationwide in a few days time, you won't find details of it on their US website. KFC haven't posted official nutritional information on the Double Down just yet, but estimate it'll contain 590 calories and 31 grams of fat. That's 100 calories more than a Big Mac, and three times the fat - but three times the taste, surely?

You;re giving the Big Mac undue credit for being healthier than it actually is.
By your calculations, a BM only has about 490 kcals and 10g of fat. It actually has about 550kcals and 30g of fat, meaning this vision of fried loveliness is only marginally more unhealthy.

[...] Breakfast Sundae, as promised, we’ve more lard-doused news from KFC; not content with their artery-busting Double Down sandwich, the Colonel is now testing the Skinwich; at least, they are according to these exclusive snaps [...]